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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.